Janus/epimetheus Orbital "swap" - Unmanned Spaceflight.com

Janus/epimetheus Orbital "swap", Planned observations?

JTN View Member Profile	Dec 24 2005, 01:56 AM Post #1
Member Group: Members Posts: 204 Joined: 20-November 05 From: Mare Desiderii Member No.: 563	A while back I gave myself the impression (by playing with JPL Horizons) that the next instance of the famous orbital "swap" was going to take place around Jan/Feb 2006. Is that right? I'm not familiar with the precise orbital dynamics[], but I got the impression that the moons would become close, but not spectacularly so. (But I don't have the data in front of me now.) Does anyone know what sort of Cassini observations are planned (indeed, what if any interesting observations can be made, other than ultra-precise trajectory determination)? Any eye candy? [] I had a quick Google, but couldn't find any good animation to help visualise what really happens, with a rotating frame or something - just this, which I'm not convinced by. Anyone know of anything better?)

Posts in this topic

JTN Janus/epimetheus Orbital "swap" Dec 24 2005, 01:56 AM

elakdawalla QUOTE (JTN @ Dec 23 2005, 05:56 PM)[*] I had ... Dec 24 2005, 05:45 PM

JTN I had another go at Horizons. Attached are some ro... Dec 24 2005, 08:35 PM

pat Current best guess is a closest approach of ~10,30... Dec 24 2005, 10:41 PM

JTN QUOTE (pat @ Dec 24 2005, 10:41 PM)Current be... Dec 24 2005, 11:35 PM

nprev QUOTE (JTN @ Dec 24 2005, 04:35 PM)Thanks... Dec 26 2005, 12:56 AM

JTN QUOTE (nprev @ Dec 26 2005, 12:56 AM)Too bad;... Dec 26 2005, 12:33 PM

nprev QUOTE (JTN @ Dec 26 2005, 05:33 AM)I don... Dec 26 2005, 06:55 PM

pat QUOTE (nprev @ Dec 26 2005, 01:56 AM)Too bad;... Dec 26 2005, 06:59 PM

nprev Hmm. Thanks, Pat and JTN. So, just how often do t... Dec 24 2005, 10:59 PM

BruceMoomaw Yeah, it was announced the moment they were discov... Dec 26 2005, 10:49 PM

nprev Thank you very much, Bruce; that was most interest... Dec 27 2005, 12:09 AM

BruceMoomaw I've never heard of any study suggesting that ... Dec 27 2005, 08:46 AM

ustrax Can someone tell me what was going on here?... ht... Dec 27 2005, 11:06 AM

ugordan That's one of what the spacecraft team calls ... Dec 27 2005, 11:47 AM

ustrax QUOTE (ugordan @ Dec 27 2005, 11:47 AM)That... Dec 27 2005, 11:57 AM

pat It occurred to me that I should probably mention t... Dec 27 2005, 08:16 PM

Tman According Tilmann Denk, currently in Boulder (CO) ... Jan 20 2006, 12:09 PM

elakdawalla I'm trying to write a description of this for ... Jan 20 2006, 10:16 PM

pat QUOTE (elakdawalla @ Jan 20 2006, 11:16 PM)I... Jan 21 2006, 12:12 AM

elakdawalla QUOTE (pat @ Jan 20 2006, 04:12 PM)You might ... Jan 21 2006, 01:47 AM

gpurcell QUOTE (elakdawalla @ Jan 21 2006, 01:47 AM)Th... Jan 22 2006, 04:40 AM

BrianJ Hello - my first post on UMSF ! Just wondered... Jan 22 2006, 12:53 PM

scalbers Thanks to Emily's discussion I think I'm b... Jan 21 2006, 05:46 PM

canis_minor Here's a nice long-term plot of the semimajor ... Feb 6 2006, 09:53 PM

Tman Thanks for the plot! Do you know who it made... Feb 8 2006, 09:58 AM

Display Mode: Switch to: Standard · Switch to: Linear+ · Outline

Time is now: 17th December 2024 - 03:17 AM